12.5" Atomic Analog Wall Clock with natural wood finish. With the Atomic functionality this clock automatically updates for Daylight Savings Time and always displays the current time! Atomic time with manual setting Automatically sets to exact time Accurate to the second Automatically updates for daylight saving time (on/off option) 4 time zone settings Simple operation: insert 1 "AA" alkaline battery After signal is received, press Time Zone button to set Four Time Zone Settings Daylight Saving Time Option On/Off Manual Reset Button